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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
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According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.
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Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.
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Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.